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Inventor

Yasuo Asai

Inventor
Kashiwara, JP

Overview

6→
Patents
1991–2010
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids22%
F16CShafts22%
F16HGearing22%
C23CCoating metallic material11%
F01CRotary-piston or oscillating-piston machines or engines11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
PatentTitleYear
7,695,254'Electric pump with coupled pressed members'20107,641,457'Internal gear pump'20107,497,800'Method of operating a vehicle electric motor'20096,780,139'Toroidal continuously variable transmission'20045,454,882'Process for controlling a fluoride containing conversion coating forming composition during its use for conversion coating aluminum containing metal'19955,007,747'Radial roller bearing'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to KOYO SEIKO CO (1)· patent assignee history
1991Based in Osaka, JP· patent location history
1995Patents assigned to HENKEL CORP (1)· patent assignee history
1995Based in Chiba, JP· patent location history
2004Patents assigned to KOYO SEIKO COMPANY LTD (1)· patent assignee history
2004–2010Based in Kashiwara, JP· patent location history
2009Patents assigned to JTEKT CO LTD (1)· patent assignee history
2010Patents assigned to JTEKT CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JTEKT CORP22010
HENKEL CORP11995
JTEKT CO LTD12009
KOYO SEIKO CO11991
KOYO SEIKO COMPANY LTD12004
Locations
LocationPatentsSpan
Kashiwara, JP42004–2010
Chiba, JP11995
Osaka, JP11991